Merge pull request RoaringBitmap#200 from RoaringBitmap/bp/iandnot

AndNot: avoid returning bitmapcontainer with arraycontainer cardinality

Removing debug printout committed by mistake.

adding fredim

Merge pull request RoaringBitmap#197 from bpot/bp/serialize_stream

Reduce buffering in WriteTo

Merge pull request RoaringBitmap#196 from cakey/ben-removeclone

remove unnecessary clone from arrayContainer.iand()

Merge pull request RoaringBitmap#196 from cakey/ben-removeclone

remove unnecessary clone from arrayContainer.iand()

Correcting overflows.

adding a comment to the code sample regarding iterators

Marking all the Msg serialization stuff as deprecated as per RoaringB…

…itmap#165 (comment)

Fix for RoaringBitmap#183